christening vs naming

christening

noun
  • Any instance of someone's or something's being christened. 

  • The Christian sacrament at which someone, usually a child, is baptized and given a Christian name. 

naming

noun
  • A ritual or ceremony in which a person's name is given or announced. 

  • The process of giving names to things. 

adj
  • Giving a name to a person or thing. 

How often have the words christening and naming occurred in a corpus of books? (source: Google Ngram Viewer )